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From "Nimi Wariboko Jr. (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-11988) NullPointerExpception when reading/compacting table
Date Fri, 10 Jun 2016 01:02:21 GMT
Nimi Wariboko Jr. created CASSANDRA-11988:
---------------------------------------------

             Summary: NullPointerExpception when reading/compacting table
                 Key: CASSANDRA-11988
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11988
             Project: Cassandra
          Issue Type: Bug
            Reporter: Nimi Wariboko Jr.
             Fix For: 3.6


I have a table that suddenly refuses to be read or compacted. Issuing a read on the table
causes a NPE.

On compaction, it returns the error
{code}
ERROR [CompactionExecutor:6] 2016-06-09 17:10:15,724 CassandraDaemon.java:213 - Exception
in thread Thread[CompactionExecutor:6,1,main]
java.lang.NullPointerException: null
	at org.apache.cassandra.db.transform.UnfilteredRows.isEmpty(UnfilteredRows.java:38) ~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.partitions.PurgeFunction.applyToPartition(PurgeFunction.java:64)
~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.partitions.PurgeFunction.applyToPartition(PurgeFunction.java:24)
~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:76) ~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:226)
~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:182)
~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:82)
~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60)
~[apache-cassandra-3.6.jar:3.6]
	at org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionCandidate.run(CompactionManager.java:264)
~[apache-cassandra-3.6.jar:3.6]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) ~[na:1.8.0_45]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[na:1.8.0_45]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_45]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_45]
	at java.lang.Thread.run(Thread.java:745) [na:1.8.0_45]
{code}

Schema:
{code}
CREATE TABLE cmpayments.report_payments (
    reportid timeuuid,
    userid timeuuid,
    adjustedearnings decimal,
    deleted set<timeuuid> static,
    earnings map<timeuuid, decimal>,
    gross map<timeuuid, decimal>,
    organizationid text,
    payall timestamp static,
    status text,
    PRIMARY KEY (reportid, userid)
) WITH CLUSTERING ORDER BY (userid ASC)
    AND bloom_filter_fp_chance = 0.01
    AND caching = {'keys': 'ALL', 'rows_per_partition': 'NONE'}
    AND comment = ''
    AND compaction = {'class': 'org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy',
'max_threshold': '32', 'min_threshold': '4'}
    AND compression = {'chunk_length_in_kb': '64', 'class': 'org.apache.cassandra.io.compress.LZ4Compressor'}
    AND crc_check_chance = 1.0
    AND dclocal_read_repair_chance = 0.1
    AND default_time_to_live = 0
    AND gc_grace_seconds = 864000
    AND max_index_interval = 2048
    AND memtable_flush_period_in_ms = 0
    AND min_index_interval = 128
    AND read_repair_chance = 0.0
    AND speculative_retry = '99PERCENTILE';
{code}



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